[issue40072] UDP Echo Server raise OSError when recved packet

[honglei jiang]

New submission from honglei jiang <jhonglei at gmail.com>:

Env: Win7/Python3.8.2 x64/

Output:

Starting UDP server
Traceback (most recent call last):
  File "d:\ProgramData\Python38\lib\asyncio\proactor_events.py", line 548, in _loop_reading
    res = fut.result()
  File "d:\ProgramData\Python38\lib\asyncio\windows_events.py", line 808, in _poll
    value = callback(transferred, key, ov)
  File "d:\ProgramData\Python38\lib\asyncio\windows_events.py", line 496, in finish_recv
    return ov.getresult()
OSError: [WinError 87] 参数错误。

[WinError 87] 参数错误。

----------
components: asyncio
files: asyncio_udp_ipv6_server.py
messages: 365045
nosy: asvetlov, honglei.jiang, yselivanov
priority: normal
severity: normal
status: open
title: UDP Echo Server raise OSError when recved packet
type: behavior
versions: Python 3.8
Added file: https://bugs.python.org/file49000/asyncio_udp_ipv6_server.py

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<https://bugs.python.org/issue40072>
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